Commit 3a3e3c04 authored by Sebastian Bøe's avatar Sebastian Bøe Committed by Christopher Friedt
Browse files

tfm: build: Build TF-M with 1 thread on Windows 



Don't build TF-M in parallel on Windows as it has been reported to
expose dependency issues with the TF-M build system.

These issues will be investigated at a later time.

Signed-off-by: default avatarSebastian Bøe <sebastian.boe@nordicsemi.no>
parent b18eb956

modules/trusted-firmware-m/CMakeLists.txt

+14 −1
Original line number Diff line number Diff line
@@ -207,12 +207,25 @@ if (CONFIG_BUILD_WITH_TFM) 


  include(ExternalProject)



  if(${CMAKE_HOST_SYSTEM_NAME} STREQUAL Windows)

    # Set number of parallel jobs for TF-M build to 1.

    # In some circumstances it has been experienced that building TF-M with

    # multiple parallel jobs then `permission denied` may occur. Root cause on

    # Windows has not been identified but current suspicion is around folder /

    # file lock mechanism. To ensure correct behaviour in all cases, limit

    # number of parallel jobs to 1.

    set(PARALLEL_JOBS -j 1)

  else()

	# Leave PARALLEL_JOBS unset and use the default number of

	# threads. Which is num_cores+2 on Ninja and MAKEFLAGS with Make.

  endif()



  ExternalProject_Add(

    tfm

    SOURCE_DIR ${ZEPHYR_TRUSTED_FIRMWARE_M_MODULE_DIR}/trusted-firmware-m

    BINARY_DIR ${TFM_BINARY_DIR}

    CONFIGURE_COMMAND ""

    BUILD_COMMAND ${CMAKE_COMMAND} --build .

    BUILD_COMMAND ${CMAKE_COMMAND} --build . ${PARALLEL_JOBS}

    INSTALL_COMMAND ${CMAKE_COMMAND} --install .

    BUILD_ALWAYS True

    USES_TERMINAL_BUILD True

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